{"resourceType":"SearchParameter","id":"MessageHeader-source-uri","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/MessageHeader-source-uri","version":"4.0.1","name":"source-uri","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Infrastructure And Messaging)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/special/committees/inm/index.cfm"}]}],"description":"Actual message source address or id","code":"source-uri","base":["MessageHeader"],"type":"uri","expression":"MessageHeader.source.endpoint","xpath":"f:MessageHeader/f:source/f:endpoint","xpathUsage":"normal"}